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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/UMaterialExpressionLayerStack
This struct is to circumvent having to extend the below lambda in future if we want to validate against additional node types.
| Name | FValidLayerUsageTracker |
| Type | struct |
| Header File | /Engine/Source/Runtime/Engine/Public/Materials/MaterialExpressionLayerStack.h |
| Include Path | #include "Materials/MaterialExpressionLayerStack.h" |
Syntax
struct FValidLayerUsageTracker
Variables
Public
| Name | Type | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|---|
| bContainsStatics | bool | Materials/MaterialExpressionLayerStack.h | ||
| MAInputCount | int32 | Materials/MaterialExpressionLayerStack.h | ||
| MAOutputCount | int32 | Materials/MaterialExpressionLayerStack.h |